This feature uses the _sitemap skin from the skins folder, even if that skin is not installed.

You can create a custom skin with a different name if you want to customize your sitemap or add some more. In that case, use a param like ?tempskin=_my-sitemap

The _sitemap skin displays public posts with Item Type usages post, page, intro-cat, intro-tag, intro-sub, intro-all, but doesn’t display intro-front and intro-main because they have same URL as collection homepage, also it doesn’t display special and content-block because they have no permanent URL.

Additionally, the sitemap starts by listing the homepage URL like this: